小修改

src/main/java/jty/expressdistributionsystem/interceptors/GlobalExceptionHandler.java

@@ -1,15 +1,22 @@
 package jty.expressdistributionsystem.interceptors;
 
-import jty.expressdistributionsystem.entity.Result;
-import org.springframework.util.StringUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
+import java.util.HashMap;
+import java.util.Map;
+
 @RestControllerAdvice
 public class GlobalExceptionHandler {
-    @ExceptionHandler(Exception.class)
-    public Result handleException(Exception e){
-        e.printStackTrace();
-        return new Result(500, StringUtils.hasLength(e.getMessage()) ? e.getMessage() : "操作失败", "");
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<Map<String, String>> handleValidationExceptions(MethodArgumentNotValidException ex) {
+        Map<String, String> errors = new HashMap<>();
+        ex.getBindingResult().getFieldErrors().forEach(error ->
+                errors.put(error.getField(), error.getDefaultMessage())
+        );
+        return new ResponseEntity<>(errors, HttpStatus.BAD_REQUEST);
     }
 }